Security Bulletin: Impacted IBM Optim for z/OS 1.0.0, 1.1.0 and 1.2.0 by vulnerabilities in jackc/Pgx, cloudflare/cfSSL, x/net

Summary IBM Optim for z/OS version 1.0.0, 1.1.0 and 1.2.0 depends on open-source packages jackc/Pgx, cloudflare/cfSSL and x/net which are affected by medium, high and critical severity vulnerabilities. IBM Optim for z/OS 2.0.0 resolves these vulnerabilities by upgrading the affected open-source...

Security Bulletin: Impacted IBM Optim 1.0.0, 1.1.0 and 1.2.0 by vulnerabilities in cloudflare/cfSSL

Summary IBM Optim versions 1.0.0, 1.1.0 and 1.2.0 include an open-source package cloudflare/cfSSL that is affected by a medium-severity vulnerability. IBM Optim 2.0.0 resolves this vulnerability by removing the affected dependency. Vulnerability Details CVEID:CVE-2021-34558 DESCRIPTION: The...

OESA-2025-2311 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net/tls: fix kernel panic when allocpage failed We cannot set fraglist to NULL pointer when allocpage failed. It will be used in tlsstrpcheckqueueok when the nex...

OESA-2025-2310 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net/tls: fix kernel panic when allocpage failed We cannot set fraglist to NULL pointer when allocpage failed. It will be used in tlsstrpcheckqueueok when the nex...

CVE-2025-38018 net/tls: fix kernel panic when alloc_page failed

In the Linux kernel, the following vulnerability has been resolved: net/tls: fix kernel panic when allocpage failed We cannot set fraglist to NULL pointer when allocpage failed. It will be used in tlsstrpcheckqueueok when the next time tlsstrpreadsock is called. This is because we don't reset...

golang: crypto/tls: panic when processing post-handshake message on QUIC connections

A flaw was found in Golang. Processing an incomplete post-handshake message for a QUIC connection caused a panic...

golang: crypto/tls: panic when processing post-handshake message on QUIC connections

A flaw was found in Golang. Processing an incomplete post-handshake message for a QUIC connection caused a panic...

Security Bulletin: A security vulnerability in Golang Go affects IBM Cloud Automation Manager

Summary A security vulnerability in Golang Go affects IBM Cloud Automation Manager. Vulnerability Details CVEID: CVE-2021-34558 DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by the failure to properly assert that the type of public key in an X.509 certificate matches the...

golang: crypto/tls: certificate of wrong type is causing TLS client to panic

A flaw was found in golang. A panic can be triggered by an attacker in a privileged network position without access to the server certificate's private key, as long as a trusted ECDSA or Ed25519 certificate for the server exists or can be issued, or the client is configured with...

golang: crypto/tls: certificate of wrong type is causing TLS client to panic

A flaw was found in golang. A panic can be triggered by an attacker in a privileged network position without access to the server certificate's private key, as long as a trusted ECDSA or Ed25519 certificate for the server exists or can be issued, or the client is configured with...